Problem Display
PID: 272740 (K2R3b/2p2p2/P4P2/2p2B2/N1k1p2r/4pp2/2P4n/BR5b w - - 0 1)

Driver, John Edward

Ling, John Francis

The Problemist, 1957

K2R3b/2p2p2/P4P2/2p2B2/N1k1p2r/4pp2/2P4n/BR5b

#3

9 + 11


SOLUTION


  • COOKED
  • Sets
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Kb8?
      • threat
        • 2.Kxc7
          • threat
            • 3.Sb6#
      • 1...Rh6
        • 2.Bxe4
          • threat
            • 3.Bd3#
            • 3.Bd5#
      • 1...Bxf6!
    • 1.Sc3?
      • threat
        • 2.Sb5
          • threat
            • 3.Sa3#
      • 1...c6
        • 2.Sa4
          • threat
            • 3.Sb6#
      • 1...Bxf6!
    • 1.Bc3?
      • threat
        • 2.Rb3
          • threat
            • 3.Sb2#
      • 1...c6
        • 2.Ba1
          • threat
            • 3.Sb6#
        • 2.Be1
          • threat
            • 3.Sb6#
        • 2.Ba5
          • threat
            • 3.Sb6#
        • 2.Be5
          • threat
            • 3.Sb6#
        • 2.Rb3
          • threat
            • 3.Sb2#
            • 3.Sb6#
      • 1...Bxf6!
    • 1.Be5?
      • threat
        • 2.Rb3
          • threat
            • 3.Sb2#
        • 2.Rb7
          • threat
            • 3.Sb2#
        • 2.Rbb8
          • threat
            • 3.Sb2#
      • 1...Sg4
        • 2.Rb3
          • threat
            • 3.Sb2#
      • 1...Bxf6!
    • 1.Rbb8?
      • threat
        • 2.Be5
          • threat
            • 3.Sb2#
      • 1...Bxf6
        • 2.Bxf6
          • threat
            • 3.Sb2#
      • 1...Sg4!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Bb5#
      • 1...Kd5
        • 2.c4+
          • 2...Kxc4
            • 3.Bb5#
          • 2...Kd6
            • 3.Rd1#
    • 1.Rb3!
      • threat
        • 2.Sb2#
      • 1...Bxf6
        • 2.Bxf6
          • threat
            • 3.Sb2#
    • 1.Rb7!
      • threat
        • 2.Be5
          • threat
            • 3.Sb2#
      • 1...Bxf6
        • 2.Bxf6
          • threat
            • 3.Sb2#
      • 1...Sg4
        • 2.Bxe4
          • threat
            • 3.Bd3#
            • 3.Bd5#

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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).